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Vulnerabilities CVE-2026-12701

CVE-2026-12701

Critical
Open
TLP:CLEAR

Pulpcore: pulpcore: relative_path_validator bypass via directory traversal in filesystemexport

NVD CVE.org
Critical Infrastructure

AI Analysis

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Description

A path traversal vulnerability was found in pulpcore. The relative_path_validator function only verifies that content paths do not begin with "/" but fails to block directory traversal sequences such as "../" anywhere in the path. An authenticated administrator can craft a relative_path containing embedded traversal sequences (e.g., "looking/normal/../../../../etc/shadow") that escapes the intended export directory during FilesystemExport operations. Because the file content is also user-controlled (uploaded artifact), this allows arbitrary file write to any location writable by the Pulp service user, potentially leading to service compromise or further system exploitation.

Details

CVSS Score
9.0
EPSS Score
0.76%

52.2th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Confidence
90%
Published
Jul 20, 2026
Last Modified
Jul 20, 2026
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